Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kc5 win in 3 half-moves
2 Kd5 win in 3 half-moves
3 Kc6 draw
4 Kd7 draw
5 Ke5 draw
6 Ke6 draw
7 Ke7 draw
8 Kc7 loss in 34 half-moves